On 10/01/11 08:43, yuanyuan wang wrote:
sorry to say I can not found a center for the trj. I tried to make
bigger box by trjconv -box -boxcenter, but it seems that the trj only
exist in the old box area ,bigger box cannot stop jumps.
Is it really happened that I can do nothing with it ?
yuanyuan wang
Think about your problem a bit. What you see as jumps is just the
molecule going from a side to another of your periodic box. In truth,
the box has no sides. It's a continuous thing with a toroidal topology.
So, if your stuff diffuses freely in the box, you can never, ever avoid
it walking through the "sides", because there are no sides: from the
point of view of the molecule, it's all a continuous thing.
The only chance to visualize a mostly jump-less trajectory is that your
stuff clumps together by aggregating into something definitely smaller
than the box -and then you can center on the aggregate.
Hope it's clearer now,
m.
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